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FORM 4
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U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
[ ] Check box if no
longer subject to Filed pursuant to Section 16(a) of the Securities
Section 16. Form 4 Exchange Act of 1934, Section 17(a) of the
or Form 5 obligations Public Utility Holding Company Act of 1935
may continue. See or Section 30(f) of the Investment Company
Instruction 1(b). Act of 1940
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<S> <C> <C> <C> <C> <C> <C>
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| 1. Name and Address of Reporting Person(1) | 2. Issuer Name and Ticker or Trading Symbol |6. Relationship of Reporting Person to|
| Adamson Richard G. | Martin Marietta Materials, Inc. (MLM) | Issuer (Check all applicable) |
|--------------------------------------------|----------------------------------------------| |
| (Last) (First) (Middle) | 3. IRS Identification | 4. Statement For | [X] Director [ ] 10% Owner |
| | Number of Reporting | Month/Year | [ ] Officer (give [ ] Other (Specify|
| | Person, if an Entity | | title below) |
| 1600 US Highway 64 | (Voluntary) | 5/2000 | below) |
| #135 | | | |
|--------------------------------------------| |--------------------|--------------------------------------|
| (Street) | | 5. If Amendment, |7. Individual or Joint/Group Filing |
| | | Date of Original| (Check applicable line) |
| | | (Month/Year) | [X] Form Filed by One |
| Sapphire NC 28774 | | | Reporting Person |
|--------------------------------------------|----------------------------------------------| [ ] Form Filed by More Than |
| (City) (State) (Zip) | | One Reporting Person |
| | | |
|----------------------------------------------------------------------------------------------------------------------------------|
| TABLE 1 -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED |
|----------------------------------------------------------------------------------------------------------------------------------|
|1. Title of Security |2. Transaction |3. Transac- |4. Securities Acquired (A) | 5. Amount of Se- |6. Owner- |7. Nature |
| (Instr. 3) | Date | tion Code | or Disposed of (D) | curities Benefi-| ship | of In- |
| | (Month/Day/ | (Instr. 8) | | cially Owned at | Form: | direct |
| | Year) | | | End of Month | Direct | Benefi-|
| | | | (Instr. 3, 4 and 5) | (Instr. 3 and 4)| (D) or | cial |
| | |--------------|---------------------------| | Indirect | Owner- |
| | | Code | V | Amount | (A) or| Price| | (I) | ship |
| | | | | | (D) | | | (Instr. 4)| (Instr.|
| | | | | | | | | | 4) |
|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
| | | | | | | | | | |
|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
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|---------------------|-------------------|-------|------|------------|-------|------|--------------------|-------------|----------|
| | | | | | | | | | |
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<CAPTION>
FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)
<S> <C> <C> <C> <C> <C> <C> <C>
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|1. Title of Derivative | 2. Conver- |3. Trans- |4. Trans- |5. Number of | 6. Date Exer- |7. Title and Amount |8. Price |
| Security | sion or | action | action | Derivative | cisable and | of Underlying | of |
| (Instr. 3) | Exercise | Date | Code | Securities | Expiration | Securities | Deriv- |
| | Price of | (Month/| (Instr.| Acquired (A) | Date | (Instr. 3 and 4) | ative |
| | Deriv- | Day/ | 8) | or Disposed | (Month/Day/ | | Secur- |
| | ative | Year) | | or (D) | Year) | | ity |
| | Security | | | (Instr. 3, | | | (Instr. 5)|
| | | | | 4, and 5) |-----------------|--------------------| |
| | | | | | Date |Expira- | | Amount or| |
| | | |----------|----------------| Exer- |tion | Title | Number of| |
| | | | Code| V | (A) | (D) | cisable|Date | | Shares | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| Directors Options (1) | 51.50 |5/23/2000 | A | V | 1,500 | |5/23/01 |5/23/10 |Common | 1,500.00 | |
| | | | | | | | | |Stock | | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| Stock Units (2) | 1-for-1 |5/23/2000 | A | V |292.00 | | (2) | (2) |Common | 292.00 | 51.50 |
| | | | | | | | | |Stock | | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| | | | | | | | | | | | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| | | | | | | | | | | | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| | | | | | | | | | | | |
|-----------------------|--------------|----------|-----|----|-------|--------|--------|--------|--------|-----------|-------------|
| | | | | | | | | | | | |
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<CAPTION>
<S> <C> <C>
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| 9. Number of | 10. Ownership | 11. Nature of |
| Derivative | Form of | Indirect |
| Securities | Derivative | Beneficial |
| Beneficially | Security: | Ownership |
| Owned at End | Direct (D) | (Instr. 4) |
| of Month | or Indirect (I) | |
| (Instr. 4) | (Instr. 4) | |
| | | |
|---------------------|-------------------------------|----------------------|
| 1,500.00 | D | |
|---------------------|-------------------------------|----------------------|
| 1,583.65 | D | |
|---------------------|-------------------------------|----------------------|
| | | |
|---------------------|-------------------------------|----------------------|
| | | |
|---------------------|-------------------------------|----------------------|
| | | |
|---------------------|-------------------------------|----------------------|
| | | |
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Explanation of Responses:
(1) Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award
Plan. Options become exercisable one year from the date of grant.
(2) The stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan")
and are to be settled in cash and/or stock on (i) the date the reporting person ceases to be a Non-Employee Director or
(ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, in
accordance with the reporting person's election under the Plan.
* Intentional misstatements or omissions of facts constitute Federal
Criminal /s/ Richard G. Adamson 6/30/00
Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). ------------------------------ ----------
Signature of Reporting Person* Date
Richard G. Adamson
Note. File three copies of this form, one of which must be manually signed. Page 2
If space provided is insufficient, see Instruction 6 for procedure.
(Print or Type Responses)
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